Answer: You can tell when a chemical reaction is taking place because it is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change. All these things characterize what you look out for to find a chemical change.
Explanation:
Answer:
C. Understand the process
Explanation:
When scientists create models of earthquakes, they are trying to learn more about them to try and keep people safe in the event that one does happen. It is practically impossible to change the location of an earthquake or stop it from occuring, since earthquakes are caused by the movement of massive continental plates. Scientists also definitely do not want to increase the waves formed in the process, as this would contribute to the damage. Therefore, the correct answer is choice C, understand the process. Hope this helps!
Answer:
Hemostasis in 3 steps quick watered down steps
Step 1 is the vascular spasm or vasoconstriction a brief and intense contraction of the blood vessels
Step 2- the forming of a platelet plug
Step 3 - blood clotting or coagulation
Explanation:
Ths answer would be C mushrooms and yeast.
